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Finding the Fourth Proportional to 8,839.12, 12,197.93 and 4,860.13

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Solution

The fourth proportional to 8,839.12, 12,197.93 and 4,860.13 is: 6,706.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.12 : 12,197.93 = 4,860.13 : x
  2. Step 2: Convert to fraction form
    8,839.12/12,197.93 = 4,860.13/x
  3. Step 3: Cross multiply
    8,839.12x = 12,197.93 × 4,860.13
  4. Step 4: Simplify right side
    8,839.12x = 59,283,501.23
  5. Step 5: Solve for x
    x = 59,283,501.23/8,839.12
  6. Step 6: Final answer
    x = 6,706.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.